(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

given: Vn+1=Vn*cos(pi/2^(n+2))

2. Relevant equations

Write a sequence Vn in terms of n

3. The attempt at a solution

we substitute n with n-1 and we get:

V(n-1)+1= Vn-1*cos(pi/2^(n-1+2))

Vn=Vn-1*cos(pi/2^(n+1)

Is this correct?

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# Writing a sequence in terms of n.

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